Heat-exchanging device.



NITED STATES PATENT OFFICE.

EDUABLD PIELOCK AND VCARL ZBLIN, 0F BERLIN, GERMANY.

HEAT-EXCHANG-ING DEVICE.

Specification of Letters Patent.

Patented Jan. 30, 1912'.

Application filed February 2.7, 1911. Serial No. 611,274.

To all 'whom t may concern:

Be it known that we, EDUARD PinLocK and CARL ZBLIN, subjects of the German Emperor, and residents the former at'Ber hn, W. 30, Landshuterstrasse 14, `and-the latter at Halensee, Joachim Frieder-ich strasse No. 7, Berlin, Germany, have invented cert-ain new and useful Improveout orltaken in by theliquid, gas or the like are equally distributed.

n conveying materials, as for instance a liquid, through pipes, and especially those having a comparatively smooth interior, it is found that the resistance ofthe pipe in- Aterior is not sufficient tomix the liquid and that the peripheral flow will give up, or receive, heat while the center flow will, .except to a slight extent, be little affected. ,Y The objects of our invention are therefore, to provide a device which may be readily inserted in a pipe, that will deflect the center and peripheral flow of the material therein, to accomplish this deflection with `the least possible resistance to the iow, and without materially reducing the capacity of the pipe line.

We attain these objects by the construction and arrangement of parts shown in the accompanying drawing, in which,-

Figure 1 is a central longitudinalsection throu h a pipe and current diusingdevice emb ying my invention. Fig. 2 is a transverse section through a pipe, the current diffusing device being shown in elevation. Fig.v 3 is a cenral longitudinal section through a pipe showing a modification of my invention. Fig. 4 is a transverse section through a pipe showing this modification in elevation. Figs 5 and 6 are central longitudinal sections of pipes showing further modifications of my invention.

Throughout the several views, similar.

' reference characters refer to similar parts.

With reference to Figs. l and 2, reference character l designates a pipe for conveying liquids or gases and contains therein a current difusin device comprising 'an annularring 2 having an external dia-meter substantially that of the internaldiameter of the pipe, anda diametrically disposed web 4 having deecting faces diverging in the direction of the current flow.

In the drawings, the arrows indicate the effect of the diHusing device upon the central and peripheral flow of the liquid or gas from which it will be seen that the currents are thoroughly mixed giving out or taking in properties lof a uniform degree of temperature.

With reference to Figs. 3 and 4 a pipe l, is here shown ring 2 and-dianietrical web 4, the latter being provided with a `conical member 5 disposed concentrically 'with its axis coinciding with the axis of the` pipe and its apex foremost in the direction of the flow of liquid,

I n the modification shown in Fig. 5, the

4ring2 is provided with a plurality of-webs converging at a point 7 foremost in the direction lof flow of the liquid, and as shown in Fig. 6 the webs may diverge from a conical member 8 vsecuring the latter to the ring 2, the conical member 8 being arranged concentrically with respect to the pipe 1 and with its apex foremost in the direction of liquid flow.

From the foregoing description it will be seen that by placing the current diffusing devices atintervals throughout a pipe line, the current will be disturbed in such a manner that the deflecting faces of the device will dislocate the center and peripheral flow of the liquid allowing it to give out or take in a uniform degree of heat or cold.

The combination with a fluid conveying pipe of substantially uniform diameter, of diffusing means'therefor including a transversely disposed annular wall disposed with its periphery in engagement with the interior of the wall of said conveying pipe,

to deflect the peripheral flowing Huid toward the center of said conveying pipe, .a member having faces diverging 1n the d1- recton of current flow and disposed cross- Wise with respect to said annular Wall, whereby the oentrally flowing fluid is de- Hected toward ythe periphery of said con- 5 veying pipe and encounterin said centrally deflected fluid to thorougly diffuse the fluid in said conveying pipe.

EDUARD PIELOCK. CARL Z'BLIN.

Witnesses WOLDEMAR HAUPT, HENRY HASPER. 

